Lip Droop from Botox. 1  I had Botox injecton one week ago in my forehead and for crows feet. Now I noticed that the right half of my top lip is drooping when I smile or open my mouth wide. 2  I have done Botox on my forehead and just once in the crows feet area. It usually lasts from 12 to 20 weeks at most for me.
Corundum is a crystalline form of aluminium oxide (Al 2O 3) typically containing traces of iron, titanium, vanadium and chromium.orundum is a crystalline form of aluminium oxide (Al 2O 3) typically containing traces of iron, titanium, vanadium and chromium.
Some emery is a mix of corundum and other substances, and the mix is less abrasive, with an average Mohs hardness of 8.0. In addition to its hardness, corundum is unusual for its density of 4.02 g/cm 3, which is very high for a transparent mineral composed of the low-atomic mass elements aluminium and oxygen.orundum from Brazil, size about 2 cm Ã 3 cm (0.8 in Ã 1 in). Corundum occurs as a mineral in mica schist, gneiss, and some marbles in metamorphic terranes. It also occurs in low silica igneous syenite and nepheline syenite intrusives.